my friend just gave me his blackberry curve but it says invalid sim card when i put my tmobile sim card in. i've tried to read other instructions on it but it's confusing. can someone tell me STEP BY STEP instructions to unlock?
Unlocking can be done by many methods...........in that you can use the codes because its safe for your mobile..........
Get the unlocking instructions and code for your Blackberry mobile from this site Mobile Unlocker , here it can be done without any difficulty............